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Official data from INPI

CONJUNTO DE DISTRIBUICAO DE LIQUIDO

Em AnáliseInvention Patent

Application data

Number

PI7906517

Type

Invention Patent

Filing

01/29/1979

Publication

-

Progress at the INPI

  1. Filing01/29/79
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/22/83
  6. Expired04/25/95

The letters patent expired on 04/25/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/06/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MARLEY CO

Inventors

B. I. (pessoa física)

F. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

12/06/1983

RPI 685

Pedido de licença compulsória

#20.1

11/08/1983

RPI 681

20.7

11/01/1983

RPI 680

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

15.0

06/22/1982

RPI 609

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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